Boone asks Locke if he has ever watched Star Trek or if he is familiar with the concept of a Red Shirt character. Terry O'Quinn who plays Locke was on Star Trek: The Next Generation.
At the end of the scene where Walt and Hurley play backgammon, Walt jokingly tells Hurley that he can't leave because Hurley owes him $40,000 to which Hurley replies "You'll get it." Audiences would soon learn that this isn't really a joke, as Hurley won the lottery and is very wealthy but wants to give the money away, believing it is cursed.